Question

What is a full from of JBL

Answer 1

James Bullough Lansing is the answer.
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Answer 2

$<b>hey mate !!$

here is ur ans...

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➡ Jbl full form is James Bullough Lansing.
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It's a acronym for James Bullough Lansing, who founded a company (Lansing Sound, then James B. Lansing Sound, then JBL) making professional and theatrical audio equipment and speakers starting in 1946 after he left Altec Lansing (which also partly carries his name). 
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The company has made some classic studio monitor loudspeakers, and expanded into consumer electronics along the way. Eventually the company was sold to Harman International, who I think still does the design and marketing of their current line. 

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#Be brainly